TW201718329A - Bicycle transmission system - Google Patents

Abstract

A bicycle transmission system is provided, which includes a supporting main body, a transmission sensing module, a driving module, a power module, and a control module. The supporting main body is detachably suspended on a rear wheel assembly of the bicycle. The transmission sensing module is disposed on a driving assembly of the bicycle, and senses a rotation of the driving assembly to produce a plurality of transmission and rotation signals. The driving module includes an actuating unit and a driving unit. The actuating unit is detachably disposed on the supporting main body and has a plurality of driving shafts. The plurality of driving units are respectively disposed on the plurality of driving shafts. The plurality of driving units rotatably contact the rear wheel assembly. The power module is detachably disposed on the supporting main body and electrically connected to the driving module and the transmission sensing module. The control module is detachably disposed on the supporting main body and electrically connected to the transmission sensing module, the actuating unit and the power module. When receiving the plurality of transmission and rotation signals, the control module calculates a driving signal through the fuzzy logic, and then transmits the driving signal to the actuating unit to enable the actuating unit actuating the plurality of driving shafts to rotate the plurality of driving units, such that the plurality of driving units are driven to apply a driving force to the rear wheel assembly.

Description

Bicycle drive system

This invention relates to a transmission system, and more particularly to a transmission system for a bicycle that provides additional power to the bicycle.

Bicycles are always one of the favorite vehicles. In recent years, due to the promotion of living, environmental protection and healthy life, the bicycle inquiry rate has been increasing, and bicycles can not only become a means of transportation to work, reduce carbon dioxide emissions, and achieve the effect of exercise pressure. Most bicycles cost too much energy due to terrain, distance or speed.

As described above, the inventors of the present invention have conceived and designed a bicycle transmission system in order to improve the lack of the prior art, thereby enhancing the industrial use and utilization.

In view of the above-described problems of the prior art, it is an object of the present invention to provide a bicycle transmission system that solves the problems of the prior art.

According to the purpose of the present invention, a bicycle transmission system is provided, which comprises a support body, a transmission sensing module, a driving module, a power module and a control module. Support body Removably suspended from the bicycle rear wheel assembly. The transmission sensing module is disposed on the transmission component of the bicycle, and the transmission sensing module senses the rotation of the transmission component to generate a plurality of transmission rotation signals. The driving module comprises an actuating unit and a driving unit, the actuating unit is detachably disposed on the supporting body, the actuating unit has a plurality of driving shaft members; the plurality of driving units are respectively disposed on the respective driving shaft members, and the plurality of driving units are rotatable Ground contact with the rear wheel assembly. The power module is detachably disposed on the support body, and is electrically connected to the transmission sensing module, the actuation unit, and the transmission sensing module. The control module is detachably disposed on the support body and electrically connected to the drive sensing module, the drive module and the power module. When the control module receives a plurality of drive rotation signals, the control module calculates the fuzzy logic Driving the signal and transmitting the driving signal to the driving module, so that the actuating unit drives the plurality of driving shaft members to drive the plurality of driving units to rotate, and the driving force of the plurality of driving units to the rear wheel assembly.

Preferably, the bicycle transmission system further includes a rotation speed detecting module disposed on one side of the rear wheel assembly and electrically connected to the control module. When the control module receives a plurality of transmission rotation signals, the control module Then, the speed detecting module is controlled to detect the rotation speed of the rear wheel assembly to generate a plurality of transmission speed signals.

Preferably, the control module receives a plurality of transmission speed signals and generates a plurality of transmission speed values. When the control module determines that one of the transmission speed values is greater than the preset speed value, the control module controls the driving module to stop. The driving force of the rear wheel assembly is applied.

Preferably, the rotation speed detecting module can be a Hall speed sensor.

Preferably, the transmission rotation signal may include a torsion signal and a gear rotation speed signal, and the transmission sensing module may include a torque sensing unit and a rotation speed sensing unit. The torque sensing unit is disposed on the foot pedal of the transmission component and electrically connected to the control module, and the torque sensing unit senses the torque of the pedal rotation to generate a plurality of torque signals. The rotation speed sensing unit is disposed on the transmission toothed disc of the transmission component, and is electrically connected to the control module, and the rotation speed sensing unit senses the rotation of the transmission toothed disc The speed is used to generate a plurality of gear wheel speed signals. The control module receives a plurality of torsion signals and a plurality of gear wheel speed signals, and calculates a driving signal by using fuzzy logic, and the control module transmits the driving signal to the driving module, so that the actuation unit drives the plurality of driving units accordingly. The unit applies the driving force of the rear wheel assembly.

Preferably, the torsion sensing unit can be a torsion cadence sensor.

Preferably, the bicycle transmission system further includes a brake detection module, which is provided The vehicle is placed on at least one of the bicycle components and electrically connected to the control module. When the brake detection module detects the actuation of at least one brake component, the brake detection module generates a brake signal and the control module Receiving the brake signal and controlling the driving force of the drive module to stop the application of the rear wheel assembly.

Preferably, when the transmission sensing module senses that the transmission component is not rotating, the transmission sense The test module generates a stop rotation signal. When the control module controls the drive module to apply the driving force of the rear wheel assembly and the control module receives the stop rotation signal, the control module controls the drive module to stop the application of the rear wheel assembly. Driving force.

As described above, the bicycle transmission system according to the present invention can be quickly disassembled The support body is detachably disposed on the bicycle, and the rotation of the transmission component of the bicycle is sensed by the transmission sensing module to control the driving module to give a driving force to the rear wheel assembly via the control module, thereby improving the convenience of riding the bicycle. Sex.

1‧‧‧Bicycle transmission system

10‧‧‧Support ontology

100‧‧‧shell

11‧‧‧Drive Sensing Module

110‧‧‧Drive rotation signal

111‧‧‧Torque sensing unit

1110‧‧‧Torque signal

112‧‧‧Speed sensing unit

1120‧‧‧Scissor speed signal

113‧‧‧ Stop rotating signal

12‧‧‧Drive Module

120‧‧‧ drive unit

121‧‧‧Activity unit

121A‧‧‧Drive shaft parts

13‧‧‧Power Module

14‧‧‧Control Module

140‧‧‧Drive speed value

141‧‧‧Preset speed value

142‧‧‧ drive signal

15‧‧‧Speed detection module

150‧‧‧Drive speed signal

16‧‧‧Car Detection Module

160‧‧‧煞车信号号

2‧‧‧Bicycle

20‧‧‧ Rear wheel assembly

21‧‧‧Transmission components

210‧‧‧ pedals

211‧‧‧ drive gear

22‧‧‧ brake components

Figure 1 is a schematic view of a first embodiment of a bicycle transmission system of the present invention.

Figure 2 is a block diagram of a first embodiment of a bicycle transmission system of the present invention.

Figure 3 is a schematic view of a second embodiment of the bicycle transmission system of the present invention.

Figure 4 is a block diagram of a second embodiment of the bicycle transmission system of the present invention.

Fig. 5 is a schematic view showing a third embodiment of the bicycle transmission system of the present invention.

Figure 6 is a block diagram of a third embodiment of the bicycle transmission system of the present invention.

Figure 7 is a schematic view showing a fourth embodiment of the bicycle transmission system of the present invention.

The technical features, contents, and advantages of the present invention, as well as the advantages thereof, can be understood by the present inventors, and the present invention will be described in detail with reference to the accompanying drawings. The subject matter is only for the purpose of illustration and supplementary description. It is not necessarily the true proportion and precise configuration after the implementation of the present invention. Therefore, the scope and configuration relationship of the attached drawings should not be limited to the scope of patent application of the present invention. Narration.

The embodiment of the bicycle transmission system according to the present invention will be described below with reference to the related drawings. For ease of understanding, the same components in the following embodiments are denoted by the same reference numerals.

Please refer to FIG. 1 and FIG. 2 , which are respectively a schematic view and a block diagram of a first embodiment of a bicycle transmission system of the present invention. As shown in the figure, the bicycle transmission system 1 includes a support body 10, a transmission sensing module 11, a driving module 12, a power module 13, and a control module 14. The support body 10 is detachably suspended from the rear wheel assembly 20 of the bicycle 2. The transmission sensing module 11 is disposed on the transmission component 21 of the bicycle 2, and the transmission sensing module 11 senses the rotation of the transmission component 21 to generate a plurality of transmission rotation signals 110. The driving module 12 includes an actuating unit 121 and a driving unit 120. The actuating unit 121 is detachably disposed on the supporting body 10. The actuating unit 121 has a plurality of driving shaft members 121A. The plurality of driving units 120 are respectively provided. Placed in each of the drive shaft members 121A, a plurality of drive units 120 are rotatably contacted to the rear wheel assembly 20. The power module 13 is detachably disposed on the support body 10 and electrically connected to the transmission sensing module 11 , the actuation unit 121 , and the transmission sensing module 11 . The control module 14 is detachably disposed on the support body 10 and electrically connected to the transmission sensing module 11, the driving module 12 and the power module 13. When the control module 14 receives a plurality of transmission rotation signals 110, the control module The group 14 calculates the driving signal 142 by fuzzy logic, and transmits the driving signal 142 to the actuating unit 121, so that the actuating unit 121 drives the plurality of driving shaft members 121A to drive the plurality of driving units 120 to rotate, thereby making the plurality of driving units 120 rotate. The driving unit 120 applies a driving force to the rear wheel assembly 20.

Specifically, the bicycle transmission system 1 of the present invention can be fastened by a quick release The support body 1 is detachably disposed on the bicycle 2, and the rotation of the transmission component 21 of the bicycle 2 is sensed by the transmission sensing module 11 to control the driving module 12 to give a driving force to the rear wheel assembly 20 via the control module 14. , thereby improving the convenience of riding a bicycle. The bicycle transmission system 1 of the present invention comprises a support body 10, a transmission sensing module 11, a drive module 12, a power module 13, and a control module 14. The support body 10 can be a quick-release single-tube rear shelf, and can have a housing 100 for accommodating the driving module 12, the power module 13, and the control module 14. The transmission sensing module 11 is disposed on the transmission component 21 of the bicycle 2 for sensing the rotation of the transmission assembly 21 to generate a plurality of transmission rotation signals 110. The driving module 12 can include an actuating unit 121 and a plurality of driving units 120. The actuating unit 121 can be a brushless DC motor, and the actuating unit 121 has a plurality of driving shaft members 121A for connecting a plurality of driving units 120, and The drive unit 120 is driven to rotate by the drive shaft member 121A, and the drive unit 120 can be a friction wheel. The power module 13 can supply the power required for the operation of each module of the transmission system 1. The power module 13 can be a rechargeable battery. The control module 14 is electrically connected to the drive sensing module 11, the drive module 12 and the power module 13, and the control module 14 can be a microcontroller.

Therefore, when the rider rides the bicycle 2 to drive the transmission assembly 21 to rotate, The transmission sensing module 11 senses the rotation of the transmission component 21 to generate a plurality of transmission rotation signals. No. 110. Then, after receiving the plurality of transmission rotation signals 110, the control module 14 calculates the relevant power data for driving the bicycle 2 by fuzzy logic according to the transmission rotation signal 110, generates the driving signal 142, and transmits the driving signal 142. To the actuating unit 121, the actuating unit drives the plurality of driving units 120 to rotate via the plurality of driving shaft members 121A, and the additional driving force of the rear wheel assembly 20 controls the driving module 12 to drive the plurality of driving units 120 to rotate. The driving force applied to the rear wheel assembly 20, in turn, gives the bicycle 2 additional power, allowing the rider to ride the bicycle 2 in a less laborious manner.

Further, the transmission sensing module 11 of the present invention senses the transmission assembly 21 When rotating in the forward direction, a plurality of transmission rotation signals 110 are generated, and the control module 14 controls the actuation unit 121 to drive the plurality of drive units 120 to rotate to apply the driving force of the rear wheel assembly 20; When the sensing module 11 senses that the transmission component 21 is rotated (reversed) in the reverse direction, a corresponding reverse signal is generated. At this time, the control module 14 does not drive the driving module 12 to operate according to the reverse signal.

Please refer to FIG. 3 and FIG. 4 , which are respectively a schematic diagram and a block diagram of a second embodiment of the bicycle transmission system of the present invention, and please refer to FIG. 1 and FIG. 2 together. As shown in the figure, the bicycle transmission system in this embodiment is similar to the operation of the same components described in the bicycle transmission system of the first embodiment, and therefore will not be described herein. However, it is worth mentioning that, in the embodiment, the bicycle transmission system 1 preferably further includes a rotation speed detecting module 15 disposed on both sides of the rear wheel assembly 20 and electrically connected to the control module 14 When the control module 14 receives the plurality of transmission rotation signals 110, the control module 14 controls the rotation speed detection module 15 to detect the rotation speed of the rear wheel assembly 20 to generate a plurality of transmission speed signals 150.

Further, the control module 14 receives a plurality of transmission speed signals 150 and generates a plurality of transmission speed values 140, and the control module 14 determines one of the transmission speed values 140. When the preset speed value 141 is greater than the preset speed value 141, the control module 14 controls the actuation unit 121 to stop the driving force applied to the rear wheel assembly 20.

For example, the bicycle transmission system 1 of the present invention can further be set The speed detecting module 15 can be a Hall speed sensor. The speed detecting module 15 can be disposed on one side of the rear wheel assembly 20 for detecting the rotational speed of the rear wheel assembly 20. Therefore, when the rider rides the bicycle 2, the speed detecting module 15 can detect the rotational speed of the rear wheel assembly 20 and generate a plurality of transmission speed signals 150. Then, the control module 14 compares the plurality of transmission speed signals 150 with the preset speed value 141. When the control module 14 determines that one of the transmission speed values 140 is greater than the preset speed value 141, it indicates the rider's The riding speed exceeds the preset 25km/hr. At this time, the control module 14 controls the actuation unit 121 to stop the driving force of the rear wheel assembly 20, so as to avoid the rider being too fast.

Please refer to FIG. 5 and FIG. 6 , which are respectively the bicycle transmission of the present invention. A schematic diagram and a block diagram of a third embodiment of the system, and please refer to FIG. 1 to FIG. 4 together. As shown in the figure, the bicycle transmission system in this embodiment is similar to the operation of the same components described in the bicycle transmission system of the above embodiments, and therefore will not be described herein. However, it is worth mentioning that in the embodiment, the transmission rotation signal 110 can include the torsion signal 1110 and the gear rotation speed signal 1120, and the transmission sensing module 11 can include the torque sensing unit 111 and the rotational speed sensing unit 112. . The torque sensing unit 111 is disposed on the foot pedal 210 of the transmission component 21 and electrically connected to the control module 14 . The torque sensing unit 111 senses the torque of the rotation of the foot pedal 210 to generate a plurality of torsion signals 1110 . The rotation speed sensing unit 112 is disposed on the transmission toothed disk 211 of the transmission component 21 and electrically connected to the control module 14 . The rotation speed sensing unit 112 senses the rotation speed of the transmission toothed disk 211 to generate a plurality of gear rotation speed signals 1120 . The control module 14 receives a plurality of torsion signals 1110 and a plurality of gear wheel speed signals 1120, and calculates the driving signal 142 by using fuzzy logic, and the control module 14 transmits the driving signal 142 to the driving module 12 for actuation. Unit 121 drives a plurality of drive units 120 to apply rear wheel assembly 20 The driving force.

Specifically, the bicycle transmission system 1 of the present invention can be further configured The torque signal 1110 and the gear rotation speed signal 1120, the torque sensing unit 111 can be a torque cadence sensor. The torque sensing unit 111 can be disposed on the foot pedal 210 of the transmission component 21 for sensing the torque of the rider rotating the foot pedal 210. The rotation speed sensing unit 112 can be disposed on the transmission toothed disk 211 of the transmission assembly 21. And used to sense the rotational speed of the transmission sprocket 211. Therefore, when the rider rides the bicycle 2, the torque sensing unit 111 senses the torque of the rotation of the foot pedal 210 to generate a plurality of torsion signals 1110, and the rotational speed sensing unit 112 also senses the rotation of the transmission toothed disk 211. The plurality of spur rotational speed signals 1120 are generated by the rotational speed. Then, the control module 14 calculates the relevant power data for driving the bicycle 2 by fuzzy logic according to the plurality of torsion signals 1110 and the plurality of gear wheel speed signals 1120, and generates the driving signal 142, and transmits the driving signal 142 to the end. The moving unit 121 is configured to cause the actuating unit 121 to drive the plurality of driving units 120 to rotate via the plurality of driving shaft members 121A, thereby imparting an additional driving force to the rear wheel assembly 20.

Please refer to FIG. 7 , which is the fourth embodiment of the bicycle transmission system of the present invention. A schematic of an embodiment. Please also refer to Figure 1 to Figure 6. As shown in the figure, the bicycle transmission system in this embodiment is similar to the operation of the same components described in the bicycle transmission system of the above embodiments, and therefore will not be described herein. However, it is worth mentioning that, in the embodiment, the bicycle transmission system 1 preferably further includes a brake detection module 16 disposed on at least one brake component 22 of the bicycle 2 and electrically connected to the control module. 14. When the brake detection module 16 detects the actuation of at least one brake component 2, the brake detection module 16 generates a brake signal 160, and the control module 14 receives the brake signal 160 and controls the drive accordingly. The module 12 stops the driving force applied to the rear wheel assembly 20.

Specifically, the bicycle transmission system 1 of the present invention is further applicable to A brake detection module 16 is disposed on the brake assembly 22 of the vehicle 2 for detecting the actuation of the brake assembly 2. Therefore, when the rider rides the bicycle 2, when the brake assembly 2 is touched when the rider needs to brake, the brake detection module 16 detects the actuation of the brake assembly 2 and generates the brake signal 160. At this time, the control module 14 controls the driving module 12 to stop the driving force of the rear wheel assembly 20 according to the braking signal 160, thereby avoiding an accident of the rider.

Further, the transmission sensing module 11 senses that the transmission assembly 21 is not rotating. The drive sensing module 11 generates a stop rotation signal 113. When the control module 14 controls the driving force of the drive module 12 to apply the rear wheel assembly 20 and the control module 14 receives the stop rotation signal 113, the control module 14 The driving force of the rear wheel assembly 20 is stopped by the control drive module 12. That is to say, in the process of riding the bicycle 2 by the rider, if the stepping pedal 210 is stopped, the transmission assembly 21 stops rotating. At this time, the transmission sensing module 11 can further be based on the sensing transmission component 21 When the rotation is not performed, the stop rotation signal 113 is generated, so that the control module 14 can control the driving force of the drive module 12 to stop the application of the rear wheel assembly 20 to avoid providing the rider with a too fast vehicle speed.

In summary, the bicycle transmission system 1 of the present invention is designed to be externally designed. The hanging motor drive device provides a quick-disconnecting shelf carrier body, and the brushless DC motor is coupled to the friction wheel to drive the rear wheel frame to generate forward power. This design can not only complete the disassembly and assembly in a short time, but also can be compatible with most of the commercially available models without modifying the bicycle. It is quite easy to upgrade the bicycle to an electric moped. After parking, it can be easily dismantled to avoid theft and brought to the house for charging. At the same time, the bicycle transmission system 1 of the present invention adds a plurality of sensing technologies, including: pedal speed, wheel speed and torque sensor, and transmits the analog signal to the microcontroller chip through the sensor to receive the bicycle uniformly. The immediate state of the various data is passed to the subsequent booster motor control through analog conversion.

The above is intended to be illustrative only and not limiting. Any departure from this issue The spirit and scope of the Ming Dynasty, and equivalent modifications or changes to it, shall be included in the scope of the patent application attached.

1‧‧‧Bicycle transmission system

10‧‧‧Support ontology

100‧‧‧shell

11‧‧‧Drive Sensing Module

12‧‧‧Drive Module

120‧‧‧ drive unit

121‧‧‧Activity unit

121A‧‧‧Drive shaft parts

13‧‧‧Power Module

2‧‧‧Bicycle

20‧‧‧ Rear wheel assembly

21‧‧‧Transmission components

Claims (8)

A bicycle transmission system includes: a support body detachably suspended from a rear wheel assembly of the bicycle; and a transmission sensing module disposed on one of the bicycle transmission components, the transmission sensing module The group senses the rotation of the transmission component to generate a plurality of transmission rotation signals; a drive module includes: an actuation unit detachably disposed on the support body, the actuation unit having a plurality of drive shaft members; a plurality of driving units respectively disposed on each of the driving shaft members, the plurality of driving units rotatably contacting the rear wheel assembly; and a power module detachably disposed on the supporting body and electrically connected The drive module and the drive sensing module; and a control module detachably disposed on the support body, and electrically connected to the drive sensing module, the actuating unit and the power module, When the control module receives the plurality of transmission rotation signals, the control module calculates a drive signal by using a fuzzy logic, and transmits the drive signal to the actuation unit to enable the actuation unit. To drive the drive member rotates the plurality of drive units driving the plurality, the plurality of the driving units driving force of one of the components of the applicator wheel. The bicycle transmission system of claim 1, further comprising a rotation speed detecting module disposed on one side of the rear wheel assembly and electrically connected to the control module, wherein the control module When receiving the plurality of transmission rotation signals, the control module controls the rotation speed detection module to detect the rotation speed of the rear wheel assembly to generate a plurality of transmission speed signals. The bicycle transmission system of claim 2, wherein the control module receives the plurality of transmission speed signals and generates a plurality of transmission speed values, and the control module determines that one of the transmission speed values is greater than one When the speed value is preset, the control module controls the driving module to stop the driving force applied to the rear wheel assembly. The bicycle transmission system of claim 2, wherein the rotation speed detecting module is a Hall speed sensor. The bicycle transmission system of claim 1, wherein the transmission rotation signal comprises a torsion signal and a toothed disk speed signal, and the transmission sensing module comprises: a torque sensing unit disposed on the a pedal of the transmission component, and electrically connected to the control module, the torque sensing unit senses a torque of the pedal rotation to generate a plurality of the torque signals; and a rotation speed sensing unit disposed on the One of the transmission components drives a toothed disc and is electrically connected to the control module, and the rotation speed sensing unit senses a rotation speed of the transmission toothed disc to generate a plurality of the rotation speed signals of the rotation gear; wherein the control module receives The plurality of torsion signals and the plurality of gear wheel speed signals, and the driving signal is calculated by the fuzzy logic, and the control module transmits the driving signal to the driving module, so that the actuating unit drives the driving signal A plurality of drive units apply the driving force to the rear wheel assembly. The bicycle transmission system of claim 5, wherein the torque sensing unit is a torsion cadence sensor. For example, the bicycle transmission system described in claim 1 is further included. The vehicle detection module is disposed on at least one brake component of the bicycle and electrically connected to the control module. When the brake detection module detects the actuation of the at least one brake component, the brake detection The test module generates a train signal, and the control module receives the brake signal, and accordingly controls the drive module to stop the driving force applied to the rear wheel assembly. The bicycle transmission system of claim 7, wherein the transmission sensing module generates a stop rotation signal when the transmission sensing module senses that the transmission component is not rotated, and the control module Controlling the driving force applied by the driving module to the rear wheel assembly, and the control module receives the stopping rotation signal, the control module controls the driving module to stop the driving force of the rear wheel assembly .